MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for exploiting PDF viewers or redirecting users. It also features a link farm with numerous URLs, many of which point to disposable hosting or potentially compromised WordPress sites, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://tbm-mova.by/images_from_html_editor/file/3423128290.pdf In PDF document text
- http://patriabrno.cz/userfiles/files/vuwefadogirosuzisomolekug.pdfIn PDF document text
- http://marcth.pl/media/fck/file/ketumewivazaguk.pdfIn PDF document text
- http://daugiavanthienphuoc.com/media/ftp/file/vitusemilidetiduxumosaxib.pdfIn PDF document text
- https://infypos.com/infyposcms/media/17530048896.pdfIn PDF document text
- http://www.agenbenangbandung.net/file/netipafusoxulafu.pdfIn PDF document text
- https://slide-bearing.com/d/files/setorilorosumusa.pdfIn PDF document text
- http://nachhilfeschule.havonix.com/ckfinder/userfiles/files/jonek.pdfIn PDF document text
- http://tokyosushilohaus.com/uploads/files/32669396584.pdfIn PDF document text
- https://www.eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/vaxuzavobu.pdfIn PDF document text
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613469b00cb07---matibewok.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161327defeecd3---16474447484.pdfIn PDF document text
- https://vandolderskb.com/images/usr/tebobimowube.pdfIn PDF document text
- http://ketphatthinh.vn/upload/files/21397135527.pdfIn PDF document text
- http://sieuthimaynhapkhau.com/upload/files/ruxovogupa.pdfIn PDF document text
- http://tvoirostov.ru/ckfinder/userfiles/files/84022803083.pdfIn PDF document text
- http://amongelite.com/ci/userfiles/files/fojupeloguzi.pdfIn PDF document text
- https://lmcmanager.com/ckfinder/userfiles/files/39085931893.pdfIn PDF document text
- http://www.park-seversk.ru/other/js/ckfinder/userfiles/files/lulasojisur.pdfIn PDF document text
- https://kfmaccounting.com/webroot/img/content/files/boravoku.pdfIn PDF document text
- http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/16136659f56c88---xegifeloviko.pdfIn PDF document text
- http://gurolmumcu.com/userfiles/file/pobiwerolapukodat.pdfIn PDF document text
- http://a1-automotivegroup.com/upload/files/vujipadamigut.pdfIn PDF document text
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/4jr43dvul78vi0ifed7dbkqs73/takawusuwewowodozela.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=filmorago+mod+apk+download+for+androidPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b238.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB238 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ca4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA4F | 10600 bytes |
SHA-256: e3bab57f83634c9d0fe1d78de8290db300c8f4f114b3e5b108ba4f1c0a73b6fc |
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font_02_sfnt_off0000e237.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE237 | 15308 bytes |
SHA-256: 9b7dbf24b1a824fe96337352702fe85e179fbb80bf9923858d053055e79efb61 |
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